bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47

Analysis

max time kernel
119s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 05:35

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General

Target

bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47.exe
Size

78KB
MD5

6deef1209671bc2d43643181cb5f7694
SHA1

cf8f242dc24c2057a0b5a83bb00546868453884f
SHA256

bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47
SHA512

84314b50b8a30985ecea55f6431d509b582fa5cdfef41cb30dc7f2f2ce821332262931dc3a2d032f95b68b4562ddb1b3fd594a8d2337b1d90f73ca56d1e43ca3
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OInvnHvvxIfhqhcGoI/2:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhA2

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2408	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2408	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 2408	1188	bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47.exe	83
PID 1188 wrote to memory of 2408	1188	bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47.exe	83
PID 1188 wrote to memory of 2408	1188	bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47.exe	83

C:\Users\Admin\AppData\Local\Temp\bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47.exe
"C:\Users\Admin\AppData\Local\Temp\bb1616d0423aead26061dcc8e96c7ffe07a69363669384d1b3c909edb5099f47.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
78KB

MD5
8d04b24c90c6591c1f89c6d91ed32abb

SHA1
100fb0e1018ea1e525c1c613b0595f40c304de8c

SHA256
77f293af034c6235608557f747bb5acfc3ae17d1d90335e0d1f3a8c505fde33e

SHA512
2ddedfc4167e937d91f44c6735106bab2ee504907a3cfcd7b2a8099defd0a2e3600adf1f1c7bfe389c086372732afd092b391f98736325b4c138b201f5e61d81

Download Submit
memory/1188-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1188-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2408-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads